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Most Common Planning Applications in Neath Port Talbot

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Neath Port Talbot is 15.3% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

26,607 real decisions·16 project types·Updated August 2026
98.6%
Safest: Wraparound Extension
83.3%
Lowest: HMO
15.3%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension2922884
98.6%
2Rear Extension4,3494,27178
98.2%
3Annex1541513
98.1%
4Conservatory91990118
98.0%
5Side Extension2,2872,22661
97.3%
6Extension (General)2,4832,383100
96.0%
7Garage / Parking4,0453,868177
95.6%
8Loft Conversion1351287
94.8%
9Outbuilding73669739
94.7%
10Dormer71167041
94.2%
11Front Extension35032723
93.4%
12Basement79736
92.4%
13Flat Conversion13912811
92.1%
14Change of Use (Residential)1,4271,300127
91.1%
15New Build42737255
87.1%
16HMO605010
83.3%
See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 98.6% approval rate. HMO? Just 83.3%.
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What the data tells us

1
The range is massive: 83.3% to 98.6%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.
2
Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.
3
These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

1,236 planning applications in Neath Port Talbot have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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More Neath Port Talbot planning data

Methodology: Classifies 26,607 decisions in Neath Port Talbot into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from Neath Port Talbot Council's public planning portal, January 2020 to August 2026. Full methodology →
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